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Official data from INPI

POLO CUNHADO PARA UMA MAQUINA ELETRICA E PROCESSO PARA A SUA FABRICACAO

ConcedidaInvention Patent

Application data

Number

PI7801366

Type

Invention Patent

Filing

03/09/1977

Publication

-

Progress at the INPI

  1. Filing03/09/77
  2. Publication
  3. Examination
  4. Allowance03/02/82
  5. Grant02/22/83
  6. Terminated06/29/93

The patent was granted on 02/22/1983 and later terminated. Protection ended before the full term and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 02/22/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

BBC BROWN BOVERI & CIE

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Inventors

K. E. (pessoa física)

M. J. (pessoa física)

M. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/22/1983

RPI 644

110

11/03/1982

RPI 628

Recurso

#12.1

06/15/1982

RPI 608

Deferimento

#9.1

03/02/1982

RPI 593

21.5

07/06/1993

RPI 1179

Carta-patente expirada

#21.1

06/29/1993

RPI 1178

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